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<div class="title">filelogger.cpp</div>  </div>
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<a href="filelogger_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; </div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="filelogger_8h.html">filelogger.h</a>&quot;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;QTime&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;QStringList&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;QThread&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;QtGlobal&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;QFile&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;QTimerEvent&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;QDir&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;QFileInfo&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">using namespace </span>stefanfrings;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keywordtype">void</span> FileLogger::refreshSettings()</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;{</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.lock();</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="comment">// Save old file name for later comparision with new settings</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    QString oldFileName=fileName;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="comment">// Load new config settings</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    settings-&gt;sync();</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    fileName=settings-&gt;value(<span class="stringliteral">&quot;fileName&quot;</span>).toString();</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    <span class="comment">// Convert relative fileName to absolute, based on the directory of the config file.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#ifdef Q_OS_WIN32</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keywordflow">if</span> (QDir::isRelativePath(fileName) &amp;&amp; settings-&gt;format()!=QSettings::NativeFormat)</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keywordflow">if</span> (QDir::isRelativePath(fileName))</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        QFileInfo configFile(settings-&gt;fileName());</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        fileName=QFileInfo(configFile.absolutePath(),fileName).absoluteFilePath();</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    }</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    maxSize=settings-&gt;value(<span class="stringliteral">&quot;maxSize&quot;</span>,0).toLongLong();</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    maxBackups=settings-&gt;value(<span class="stringliteral">&quot;maxBackups&quot;</span>,0).toInt();</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#ab7dada738f69e822329edd76889bb758">msgFormat</a>=settings-&gt;value(<span class="stringliteral">&quot;msgFormat&quot;</span>,<span class="stringliteral">&quot;{timestamp} {type} {msg}&quot;</span>).toString();</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a04eed4523912a75a31d75589f9eb81db">timestampFormat</a>=settings-&gt;value(<span class="stringliteral">&quot;timestampFormat&quot;</span>,<span class="stringliteral">&quot;yyyy-MM-dd hh:mm:ss.zzz&quot;</span>).toString();</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a9e6f76da976e3f09962c7613ad7aad8a">bufferSize</a>=settings-&gt;value(<span class="stringliteral">&quot;bufferSize&quot;</span>,0).toInt();</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="comment">// Translate log level settings to enumeration value</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    QByteArray minLevelStr = settings-&gt;value(<span class="stringliteral">&quot;minLevel&quot;</span>,<span class="stringliteral">&quot;ALL&quot;</span>).toByteArray();</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keywordflow">if</span> (minLevelStr==<span class="stringliteral">&quot;ALL&quot;</span> || minLevelStr==<span class="stringliteral">&quot;DEBUG&quot;</span> || minLevelStr==<span class="stringliteral">&quot;0&quot;</span>)</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    {</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>=QtMsgType::QtDebugMsg;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    }</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (minLevelStr==<span class="stringliteral">&quot;WARNING&quot;</span> || minLevelStr==<span class="stringliteral">&quot;WARN&quot;</span> || minLevelStr==<span class="stringliteral">&quot;1&quot;</span>)</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    {</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>=QtMsgType::QtWarningMsg;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    }</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (minLevelStr==<span class="stringliteral">&quot;ERROR&quot;</span> || minLevelStr==<span class="stringliteral">&quot;CRITICAL&quot;</span> || minLevelStr==<span class="stringliteral">&quot;2&quot;</span>)</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>=QtMsgType::QtCriticalMsg;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    }</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (minLevelStr==<span class="stringliteral">&quot;FATAL&quot;</span> || minLevelStr==<span class="stringliteral">&quot;3&quot;</span>)</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>=QtMsgType::QtFatalMsg;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    }</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (minLevelStr==<span class="stringliteral">&quot;INFO&quot;</span> || minLevelStr==<span class="stringliteral">&quot;4&quot;</span>)</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    {</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">minLevel</a>=QtMsgType::QtInfoMsg;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="comment">// Create new file if the filename has been changed</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">if</span> (oldFileName!=fileName)</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    {</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        fprintf(stderr,<span class="stringliteral">&quot;Logging to %s\n&quot;</span>,qPrintable(fileName));</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        close();</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        open();</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    }</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.unlock();</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;}</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1FileLogger.html#a66f7297215f2a7843f924051b78fe7df">   78</a></span>&#160;<a class="code" href="classstefanfrings_1_1FileLogger.html#a66f7297215f2a7843f924051b78fe7df">FileLogger::FileLogger</a>(QSettings *settings, <span class="keyword">const</span> <span class="keywordtype">int</span> refreshInterval, QObject* parent)</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    : <a class="code" href="classstefanfrings_1_1Logger.html">Logger</a>(parent)</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;{</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    Q_ASSERT(settings!=<span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    Q_ASSERT(refreshInterval&gt;=0);</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    this-&gt;settings=settings;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    file=<span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keywordflow">if</span> (refreshInterval&gt;0)</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    {</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        refreshTimer.start(refreshInterval,<span class="keyword">this</span>);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    }</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    flushTimer.start(1000,<span class="keyword">this</span>);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    refreshSettings();</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;}</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160; </div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1FileLogger.html#ab08af44f2de3fe1b51158132f9a399dd">   94</a></span>&#160;<a class="code" href="classstefanfrings_1_1FileLogger.html#ab08af44f2de3fe1b51158132f9a399dd">FileLogger::~FileLogger</a>()</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;{</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    close();</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;}</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1FileLogger.html#a9258a5e72c22a6b14e25af8eae2092c1">  100</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classstefanfrings_1_1FileLogger.html#a9258a5e72c22a6b14e25af8eae2092c1">FileLogger::write</a>(<span class="keyword">const</span> <a class="code" href="classstefanfrings_1_1LogMessage.html">LogMessage</a>* logMessage)</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;{</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="comment">// Try to write to the file</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keywordflow">if</span> (file)</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    {</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="comment">// Write the message</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        file-&gt;write(qPrintable(logMessage-&gt;<a class="code" href="classstefanfrings_1_1LogMessage.html#a0afc95ed8eb8b5cc611b5b9436f65053">toString</a>(<a class="code" href="classstefanfrings_1_1Logger.html#ab7dada738f69e822329edd76889bb758">msgFormat</a>,<a class="code" href="classstefanfrings_1_1Logger.html#a04eed4523912a75a31d75589f9eb81db">timestampFormat</a>)));</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160; </div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <span class="comment">// Flush error messages immediately, to ensure that no important message</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        <span class="comment">// gets lost when the program terinates abnormally.</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="keywordflow">if</span> (logMessage-&gt;<a class="code" href="classstefanfrings_1_1LogMessage.html#a6e0563caa0e118de2b9664b08ee6c856">getType</a>()&gt;=QtCriticalMsg)</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        {</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            file-&gt;flush();</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        }</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="comment">// Check for success</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        <span class="keywordflow">if</span> (file-&gt;error())</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        {</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            qWarning(<span class="stringliteral">&quot;Cannot write to log file %s: %s&quot;</span>,qPrintable(fileName),qPrintable(file-&gt;errorString()));</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            close();</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        }</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    }</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="comment">// Fall-back to the super class method, if writing failed</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keywordflow">if</span> (!file)</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    {</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a69f50fe67efaa254ee219f6de384e9fa">Logger::write</a>(logMessage);</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    }</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;}</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="keywordtype">void</span> FileLogger::open()</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;{</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordflow">if</span> (fileName.isEmpty())</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    {</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        qWarning(<span class="stringliteral">&quot;Name of logFile is empty&quot;</span>);</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    }</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        file=<span class="keyword">new</span> QFile(fileName);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        <span class="keywordflow">if</span> (!file-&gt;open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text))</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        {</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;            qWarning(<span class="stringliteral">&quot;Cannot open log file %s: %s&quot;</span>,qPrintable(fileName),qPrintable(file-&gt;errorString()));</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            file=<span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        }</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    }</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;}</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="keywordtype">void</span> FileLogger::close()</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;{</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keywordflow">if</span> (file)</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    {</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        file-&gt;close();</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        <span class="keyword">delete</span> file;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        file=<span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    }</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;}</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160; </div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keywordtype">void</span> FileLogger::rotate() {</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    <span class="comment">// count current number of existing backup files</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="keywordtype">int</span> count=0;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    forever</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    {</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        QFile bakFile(QString(<span class="stringliteral">&quot;%1.%2&quot;</span>).arg(fileName).arg(count+1));</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        <span class="keywordflow">if</span> (bakFile.exists())</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        {</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            ++count;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        }</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        {</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        }</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    }</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="comment">// Remove all old backup files that exceed the maximum number</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordflow">while</span> (maxBackups&gt;0 &amp;&amp; count&gt;=maxBackups)</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    {</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        QFile::remove(QString(<span class="stringliteral">&quot;%1.%2&quot;</span>).arg(fileName).arg(count));</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        --count;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160; </div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="comment">// Rotate backup files</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=count; i&gt;0; --i) {</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        QFile::rename(QString(<span class="stringliteral">&quot;%1.%2&quot;</span>).arg(fileName).arg(i),QString(<span class="stringliteral">&quot;%1.%2&quot;</span>).arg(fileName).arg(i+1));</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    }</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160; </div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    <span class="comment">// Backup the current logfile</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    QFile::rename(fileName,fileName+<span class="stringliteral">&quot;.1&quot;</span>);</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;}</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="classstefanfrings_1_1FileLogger.html#a01eac5311649ce150df7bdf084925d05">  193</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classstefanfrings_1_1FileLogger.html#a01eac5311649ce150df7bdf084925d05">FileLogger::timerEvent</a>(QTimerEvent* event)</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;{</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="keywordflow">if</span> (!event)</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    {</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    }</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (event-&gt;timerId()==refreshTimer.timerId())</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    {</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        refreshSettings();</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    }</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (event-&gt;timerId()==flushTimer.timerId() &amp;&amp; file)</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    {</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.lock();</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        <span class="comment">// Flush the I/O buffer</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        file-&gt;flush();</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160; </div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        <span class="comment">// Rotate the file if it is too large</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        <span class="keywordflow">if</span> (maxSize&gt;0 &amp;&amp; file-&gt;size()&gt;=maxSize)</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        {</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            close();</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            rotate();</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;            open();</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        }</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160; </div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        <a class="code" href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">mutex</a>.unlock();</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    }</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;}</div>
<div class="ttc" id="aclassstefanfrings_1_1FileLogger_html_a01eac5311649ce150df7bdf084925d05"><div class="ttname"><a href="classstefanfrings_1_1FileLogger.html#a01eac5311649ce150df7bdf084925d05">stefanfrings::FileLogger::timerEvent</a></div><div class="ttdeci">void timerEvent(QTimerEvent *event)</div><div class="ttdoc">Handler for timer events.</div><div class="ttdef"><b>Definition:</b> <a href="filelogger_8cpp_source.html#l00193">filelogger.cpp:193</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1FileLogger_html_a66f7297215f2a7843f924051b78fe7df"><div class="ttname"><a href="classstefanfrings_1_1FileLogger.html#a66f7297215f2a7843f924051b78fe7df">stefanfrings::FileLogger::FileLogger</a></div><div class="ttdeci">FileLogger(QSettings *settings, const int refreshInterval=10000, QObject *parent=nullptr)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="filelogger_8cpp_source.html#l00078">filelogger.cpp:78</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1FileLogger_html_a9258a5e72c22a6b14e25af8eae2092c1"><div class="ttname"><a href="classstefanfrings_1_1FileLogger.html#a9258a5e72c22a6b14e25af8eae2092c1">stefanfrings::FileLogger::write</a></div><div class="ttdeci">virtual void write(const LogMessage *logMessage)</div><div class="ttdoc">Write a message to the log file.</div><div class="ttdef"><b>Definition:</b> <a href="filelogger_8cpp_source.html#l00100">filelogger.cpp:100</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1FileLogger_html_ab08af44f2de3fe1b51158132f9a399dd"><div class="ttname"><a href="classstefanfrings_1_1FileLogger.html#ab08af44f2de3fe1b51158132f9a399dd">stefanfrings::FileLogger::~FileLogger</a></div><div class="ttdeci">virtual ~FileLogger()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="filelogger_8cpp_source.html#l00094">filelogger.cpp:94</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1LogMessage_html"><div class="ttname"><a href="classstefanfrings_1_1LogMessage.html">stefanfrings::LogMessage</a></div><div class="ttdoc">Represents a single log message together with some data that are used to decorate the log message.</div><div class="ttdef"><b>Definition:</b> <a href="logmessage_8h_source.html#l00036">logmessage.h:37</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1LogMessage_html_a0afc95ed8eb8b5cc611b5b9436f65053"><div class="ttname"><a href="classstefanfrings_1_1LogMessage.html#a0afc95ed8eb8b5cc611b5b9436f65053">stefanfrings::LogMessage::toString</a></div><div class="ttdeci">QString toString(const QString &amp;msgFormat, const QString &amp;timestampFormat) const</div><div class="ttdoc">Returns the log message as decorated string.</div><div class="ttdef"><b>Definition:</b> <a href="logmessage_8cpp_source.html#l00029">logmessage.cpp:29</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1LogMessage_html_a6e0563caa0e118de2b9664b08ee6c856"><div class="ttname"><a href="classstefanfrings_1_1LogMessage.html#a6e0563caa0e118de2b9664b08ee6c856">stefanfrings::LogMessage::getType</a></div><div class="ttdeci">QtMsgType getType() const</div><div class="ttdoc">Get the message type.</div><div class="ttdef"><b>Definition:</b> <a href="logmessage_8cpp_source.html#l00084">logmessage.cpp:84</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html"><div class="ttname"><a href="classstefanfrings_1_1Logger.html">stefanfrings::Logger</a></div><div class="ttdoc">Decorates and writes log messages to the console, stderr.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00052">logger.h:52</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a032b8dabe616327d58e97b1a5c853f86"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a032b8dabe616327d58e97b1a5c853f86">stefanfrings::Logger::minLevel</a></div><div class="ttdeci">QtMsgType minLevel</div><div class="ttdoc">Minimum level of message types that are written out directly or trigger writing the buffered content.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00128">logger.h:128</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a04eed4523912a75a31d75589f9eb81db"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a04eed4523912a75a31d75589f9eb81db">stefanfrings::Logger::timestampFormat</a></div><div class="ttdeci">QString timestampFormat</div><div class="ttdoc">Format string of timestamps.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00125">logger.h:125</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a69f50fe67efaa254ee219f6de384e9fa"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a69f50fe67efaa254ee219f6de384e9fa">stefanfrings::Logger::write</a></div><div class="ttdeci">virtual void write(const LogMessage *logMessage)</div><div class="ttdoc">Decorate and write a log message to stderr.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8cpp_source.html#l00110">logger.cpp:110</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a724e09b39b88c5a880f2405a260949cb"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a724e09b39b88c5a880f2405a260949cb">stefanfrings::Logger::mutex</a></div><div class="ttdeci">static QMutex mutex</div><div class="ttdoc">Used to synchronize access of concurrent threads.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00134">logger.h:134</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_a9e6f76da976e3f09962c7613ad7aad8a"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#a9e6f76da976e3f09962c7613ad7aad8a">stefanfrings::Logger::bufferSize</a></div><div class="ttdeci">int bufferSize</div><div class="ttdoc">Size of backtrace buffer, number of messages per thread.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00131">logger.h:131</a></div></div>
<div class="ttc" id="aclassstefanfrings_1_1Logger_html_ab7dada738f69e822329edd76889bb758"><div class="ttname"><a href="classstefanfrings_1_1Logger.html#ab7dada738f69e822329edd76889bb758">stefanfrings::Logger::msgFormat</a></div><div class="ttdeci">QString msgFormat</div><div class="ttdoc">Format string for message decoration.</div><div class="ttdef"><b>Definition:</b> <a href="logger_8h_source.html#l00122">logger.h:122</a></div></div>
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